[Issue #359][WIP]mohamed added devise helper methods for handling guest sessions
[Issue #359][WIP]added tests, a before_filter and a view for the form for the guest to enetr data
[Issue #359][WIP] modified authentication of guest
Merge branch 'C1_khloud_C3S3_register_as_developer' of https://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C5S03_homepage
[#371][WIP] added new view twitter signin
[#371][WIP] changes in views
[#371][WIP] added locales and image
[348][NW] modify the add prize view and route and controller
[Issue #372][WIP] Added tests to test the model and controller
[Issue #372][WIP] added get_votes method to Gamer model
[Issue #372][WIP] added tests, code and documentation of the story, UML remaining
[348][NW] modify the add trophy view and route and controller
[Issue #372][MC] fixed merge conflicts with master
[348][NW] modify the import csv view and route and controller
[348][NW] modify the list trophies and route and controller
[348][NW] modify the admin dashboard and route and controller
[Issue #372][Finished] Added the UML
[348][NW] modify routing and redirection
[Issue #372][Finished] Added a missing label to the UML
[348][NW] fixing the sidebar